Submission declined on 18 December 2023 by Pbritti (talk). Thank you for your submission, but the subject of this article already exists in Wikipedia. You can find it and improve it at Cat predation on wildlife instead.
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- Comment: This seems to be a subordinate topic to the general topic, insufficiently distinct as to merit its own article. There's additional overlap with Introduced mammals on seabird breeding islands. Pbritti (talk) 20:17, 18 December 2023 (UTC)
- Comment: See detailed notes on talk page; this draft fails at least three policies, and is a WP:FRINGE (or at least WP:EXCEPTIONAL) WP:POVFORK from Cat predation on wildlife. The most that needs to be done with this is discussion at Talk:Cat predation on wildlife about whether any of the sources used here can be used at that proper article in a WP:DUE manner. — SMcCandlish ☏ ¢ 😼 20:31, 22 December 2023 (UTC)
Three-quarters of threatened bird species on oceanic islands are in danger from introduced species[1] and a much publicized claim is that cats are responsible for the extinction of at least 33 bird species on such islands. Recent IUCN Red List[2] data about the conservation status of bird species shows the claim is wrong (Table 1).
The claim is often repeated in science and wildlife publications and retold in popular articles as though it is an unquestionable fact; for example Nogales et al. 2004 say “Feral cats are directly responsible for a large percentage of global extinctions, particularly on islands” and that “Feral cats are responsible for the extinction of at least 33 bird species”;[3] and the 2020 issue statement by the Wildlife Society states “Domestic cats have tremendous impacts on wildlife and are responsible for the extinction of numerous mammals, reptiles, and at least 33 bird species globally.”[4]
The problem
editClaims that cats have exterminated at least 33 bird species have prompted some wildlife researchers, in particular Dauphiné and wildlife co-researcher to advocate for “removal” of feral cats to save birds and wildlife should become “a permanent, regular feature of wildlife management”[5] and draw attention to removing cats on continents because cat predation might contribute to declining bird populations in “habitat islands” like open spaces within developed environments.[6]
Some experts argue that in particular circumstances cats can harm wildlife, but accusing cats of laying waste across biodiversity rests on irrational prejudice, poor scientific reasoning and selective picking out of data to support biased arguments.[7] Some researchers detect ailurophobe attitudes and scapegoating of cats in some published science papers.[8][9] Indeed, Dauphiné was convicted in a Washington D.C. courtroom of attempted animal cruelty by poisoning cats in her city neighborhood.[10][11]
Chinese whispers
editChinese whispers is “a situation in which a piece of information is passed from one person to the next and is changed slightly each time it is told.”[12] The initial information that started the story of cats exterminating 33 bird species is from Extinct and Vanishing Birds of the World, a book written by Greenway and published in the 1950’s.[13] The sketchy documentation he gathered is from testimonies he heard and from his own deductions at a time when the extinction of species was beginning to attract serious attention.
A decade later Ziswiler added information from Greenway’s book to his own book, Extinct and vanishing animals: a biology of extinction and survival, in which he lists in an appendix the apparent causes of the extinction of many species.[14]
Then in the late 1970’s Jackson gave a talk at a symposium about endangered birds. During the talk he presented a bar graph showing cats had exterminated 33 species of birds. His talk was published a year later in which he states he condensed the bird data from Ziswiler.[15]
Liver in 1994 used Jackson’s data for his book Naturalized Animals: the ecology of successfully introduced species. In the book Lever states that “…naturalised predators have collectively been responsible for the extermination throughout the world of no fewer than 61 avian taxa, the principal culprits being feral domestic cats which have caused 33 extinctions…”[16]
Finally, as stated above, Nogales et al. attribute Lever as the source for their claim that cats have exterminated 33 bird species.[3]
Ziswiler’s appendix
editZiswiler’s appendix lists wide ranging basic information on many species presumed exterminated, including species exterminated by cats. But he lists 18 bird species, not 33 bird species as claimed by Jackson. Some of the bird species he lists are actually sub-species and do not count as extinctions since the claim that cats have exterminated 33 bird species is about exterminating species, not sub-species. All 18 bird species inhabited small oceanic islands, not continents, except the Eyrean Grass-wren of central Australia (whicperh is actually extant, number 16 in Table 1). A recording difficulty is that Ziswiler lumps the Hawaiian Honey-creeper (number 17 in Table 1) as “16 forms”. By this he might mean they are species or sub-species. IUCN records that some Hawaiian Honey-creeper species are extant and some are extinct.
IUCN records
editOf the 18 bird species listed by Ziswiler, IUCN records that just nine of them are extinct (Table 1). Adding all the “16 forms” of Hawaiian Honey-creeper to these nine would mean that cats may have been involved in the extinction of from nine up to perhaps 25 bird species. This does not add up to the 33 bird species that cats are commonly claimed to have exterminated.
Ziswiler also lists a further eight mammal species (Table 2) presumed exterminated by cats (Table 2). Of these, he does not describe three sufficiently to identify them (numbers 6 to 8). For the remaining five, IUCN record that one species is extinct and four species are extant.
Cats on islands
editCats are one of the players in the ecology of bird extinctions on some oceanic islands where native wildlife has not evolved to defend itself against introduced predators.[17] No one making the claim that cats have exterminated at least 33 bird species cites an accurate first hand source: the mistaken claim is based on Chinese whispers.
Tables
editTable 1. Conservation status according to recent IUCN data[2] of the 18 bird species listed in Ziswiler. The names for some species have changed since the 1950’s and are recorded in the right-hand column.
Species |
Where |
Is the species extinct? |
Notes & Recent Names | ||
1 |
Guadalupe Storm Petrel Oceanodroma macrodactyla |
Guadalupe |
Yes |
Hydrobates macrodactylus. | |
2 | Bonin night heron
Nycticorax caledonicus crassirostris |
Bonin | No | Rufous Night-heron.
Sub-species extinct but parent species extant. | |
3 | Red-billed Rail
RaIIus pacificus |
Tahiti | Yes | Tahiti Rail.
Gallirallus pacificus, Hypotaenidia pacifica. | |
4 | Chatham Island Banded Rail
Rallus dieffenbachii |
Chatham Island | Yes | Chatham Rail.
Cabalus modestus. | |
5 | Auckland Island Rail
Rallus muelleri |
Adams and Disappointment Islands | No | Auckland Rail.
Lewinia muelleri. | |
6 | Samoa Wood Rail
Pareudiastes pacificus |
Samoa | No | Samoan Moorhen. | |
7 | Iwo Jima Rail
Poliolimnas cinereus brevipes |
Iwo Jima | No | White-browed Crake.
Porzana cinerea brevipes & Amaurornis cinerea. Sub-species extinct but parent species extant. | |
8 | Choiseul Crested Pigeon
Microgoura meeki |
Choiseul, Solomon Islands | Yes | Choiseul Pigeon. | |
9 | Bonin Wood Pigeon
Columba versicolor |
Bonin | Yes | - | |
10 | Macquarie Island Kakariki
Cyanoramphus novaezelandiae erythrotis |
Macquarie Island | No | Red-fronted Parakeet.
Sub-species extinct but parent species extant. | |
11 | Jamaica Pauraque
Siphonorhis Americanus Americanus |
Jamaica | Yes | Jamaican Poorwill.
Siphonorhis Americana. Sub-species of a possibly extinct parent species. | |
12 | Stephen Island Wren
Xenicus lyalli |
Stephen Island | Yes | Traversia lyalli. | |
13 | Lord Howe Grey-headed Blackbird Turdus
poliocephalus vinitinctus |
Lord Howe Island | No | Island Thrush.
Sub-species extinct but parent species extant. | |
14 | Raiatea Thrush
Turdus ulietensis |
Society Islands | Yes | Raiatea Starling.
Aplonis ulietensis. | |
15 | Kittlitz's Thrush
Zoothera terrestris |
Peel Island of Bonin | Yes | Bonin Thrush. | |
16 | Eyrean Grass-wren
Amytornis goyderi |
Central Australia | No | - | |
17 | “Hawaiian Honey-creepers: 16 forms Drepaniidae” | Hawaii | ? | Drepanididae. | |
18 | St Christopher Bullfinch
Loxigilla portoricensis grandis |
St Kitts and Barbuda | No | Sub-species extinct but parent species extant. |
Table 2. Conservation status according to recent IUCN data of the eight mammal species listed in Ziswiler.
Species |
Where |
Extinct? |
Notes & Recent Names | |
1 |
Eastern Barred Bandicoot Perameles fasciata |
Tasmania |
No |
Perameles gunnii. |
2 | Western Barred Bandicoot
Perameles myosura myosura |
Australia | No | Perameles Bougainville. |
3 | Gaimard Rat-kangaroo
Betongia gaimardi |
Tasmania | No | Tasmanian Bettong. |
4 | Broad-faced Rat-kangaroo
Potorous platyops |
Australia | Yes | Broad-faced Potoroo. |
5 | Musk-shrew
Crocidura fuliginosa trichura |
Christmas Island (in Ziswiler); SE Asia (in IUCN) | No | South Asian Shrew.
Crocidura fuliginosa. |
6 | “Spiny rats: 15 forms Echimyidae” | Antilles | - | Of 91 species worldwide 4 are extinct. |
7 | “Hampsterlike rodents: 8 forms Cricetidae” | Antilles | - | Of 707 species worldwide 12 are extinct. |
8 | “Old World rats: 3 forms Muridae” | Malay Archipelago and
Australia |
- | Of 797 species worldwide 14 are extinct. |
References
edit- ^ "State of the World's Birds: Indicators for our changing world" (PDF). BirdLife International. Cambridge. 2008.
- ^ a b "IUCN Redlist of Threatened Species". IUCN Redlist.
- ^ a b Nogales, Manuel; MartíN, Aurelio; Tershy, Bernie R.; Donlan, C. Josh; Veitch, Dick; Puerta, NéStor; Wood, Bill; Alonso, JesúS (April 2004). "A Review of Feral Cat Eradication on Islands". Conservation Biology. 18 (2): 310–319. Bibcode:2004ConBi..18..310N. doi:10.1111/j.1523-1739.2004.00442.x. hdl:10261/22249. ISSN 0888-8892. S2CID 11594286.
- ^ Martinez, Lindsay (2020-03-24). "TWS Issue Statement: Feral and Free-Ranging Domestic Cats". The Wildlife Society. Retrieved 2023-12-18.
- ^ Dauphiné, Nico; Cooper, Robert J. (January 2009). "Impacts of free-ranging domestic cats (Felis catus) on birds in the United States: a review of recent research with conservation and management recommendations". Proceedings of the Fourth International Partners in Flight Conference: Tundra to Tropics: 205–219 – via ResearchGate.
- ^ Dauphiné, Nico; Cooper, Robert J. (January 2011). "Pick One: Outdoor Cats or Conservation - The Fight Over Managing an Invasive Predator". The Wildlife Professional. 5 (1): 50–56 – via ResearchGate.
- ^ Lynn, William S.; Santiago-Ávila, Francisco; Lindenmayer, Joann; Hadidian, John; Wallach, Arian; King, Barbara J. (2019). "A moral panic over cats". Conservation Biology. 33 (4): 769–776. Bibcode:2019ConBi..33..769L. doi:10.1111/cobi.13346. ISSN 0888-8892. PMC 6852131. PMID 31087701.
- ^ Bradshaw, John W.S. (2013). Cat Sense: The Feline Enigma Revealed (1st ed.). London: Allen Lane. ISBN 978-1-846-14594-0 – via Internet Archive.
- ^ Turner, Dennis C. (2022-12-14). "Outdoor domestic cats and wildlife: How to overrate and misinterpret field data". Frontiers in Veterinary Science. 9. doi:10.3389/fvets.2022.1087907. ISSN 2297-1769. PMC 9794845. PMID 36590792.
- ^ Price, Michael (2011-11-01). "Wildlife Biologist Found Guilty of Attempting to Poison Feral Cats". Science. Retrieved 2024-02-04.
- ^ "Dauphine v. U.S. | Animal Legal & Historical Center". www.animallaw.info. Retrieved 2023-12-18.
- ^ "Merriam-Webster: America's Most Trusted Dictionary". www.merriam-webster.com. Retrieved 2023-12-18.
- ^ Greenway JC. Extinct and Vanishing Birds of the World. Special Publications 13, American Committee fgloor International Wild Life Protection, New York. 1958.
- ^ Ziswiler V. Extinct and vanishing animals: a biology of extinction and survival. Springer-Verlag, New York. 1967.
- ^ Jackson JA. Alleviating Problems of Competition, Predation, Parasitism, and Disease in Endangered Birds: a review. In: Temple SA (ed) (1978) Endangered Birds: management techniques for preserving threatened species. The University of Wisconsin Press; Croom Helm, London. 75-84. 1978.
- ^ Lever C. Naturalized Animals: the ecology of successfully introduced species. T&AD Poyser Natural History, London. 1994.
- ^ Bradshaw, John; Casey, Rachel A.; Brown, Sarah L. (2012). The behaviour of the domestic cat (2nd ed.). Wallingford: CABI. ISBN 978-1-84593-992-2.